1. A lie detector test measures the cardiovascular, respiratory, and sweat-gland systems to determine if a person is lying or telling the truth. DZ
2. Sweating, anxiety, breathing, and blood pressure are among the ways a lying person can be uncovered. DZ
3. The test works by attaching a headband to the subject, and the machine will record changes in body temperature, blood pressure, breathing, and such as stated above. DZ
4. These changes will appear on a graph in which the width will increase at the detection of lying. DZ
5. There are ways to cheat the test, however. DZ
2. Sweating, anxiety, breathing, and blood pressure are among the ways a lying person can be uncovered. DZ
3. The test works by attaching a headband to the subject, and the machine will record changes in body temperature, blood pressure, breathing, and such as stated above. DZ
4. These changes will appear on a graph in which the width will increase at the detection of lying. DZ
5. There are ways to cheat the test, however. DZ